The answer for the exercise shown above is the option B, which is: 
The explanation is shown below:
To list the powers of the polynomial given in the problem above in descending order, you must write the terms from the highest degree to the lowest degree. You have that the highest degree is

and the lowest degree is

(Because

. Therefore, you have that the correct option is the option B.
Answer:
$3.07 in taxes
Step-by-step explanation:
You multiply 43.89 by .07 and the number you get is 3.07 and that represents the taxes. The total would be 46.96
The effective rate is calculated in the following way:

where r is the effective annual rate, i the interest rate, and n the number of compounding periods per year (for example, 12 for monthly compounding).
our compounding period is 2 since the bank pays us semiannually(two times per year) and our interest rate is 8%
so lets plug in numbers:
Answer:
562.84
Step-by-step explanation:
788.44-225.6 = 562.84
Srry if I'm worng